--- Are you familiar with the music ?

--- Yes. There was a time _____ this kind of music was quite popular.

The teaching building of our school_____ for many times.

---May I speak to your manager Mr.Willians at five o'clock tonight?"

---"I'm sorry, Mr.Williams _______ to a conference before then."

.He simply repeated this year's work. He's the sort of boy who _____ to anyone whatever failures he'a had in whatever he does.

--- Have you telephoned your father ?

　 --- Yes. He _____ back next year.

Many new workers _____ trained and in two months they will _____ to build a new railway.

---Has Tom finished his composition yet?

　 ---I have no idea, he _____ it this morning.

He has much money at the beginning of every month, but by the end of it he_____ have little left.

---Has Tom finished his job yet?

　 ---I have no idea of it; he _____ it this morning.

.---Sorry, Mum. I've lost my pen again.

I_____it! You never remember to put your things away after using them.